(2399) Terradas Main-belt Asteroid
Discovered on 17 June 1971 by C. U. Cesco at El Leoncito.
Where Terradas is today
Seen from above the solar system on 2026-10-14: Terradas is 2.59 au from the Sun and 2.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2399 |
| Provisional designation | 1971 MA |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.27 km (#10,097 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.333 |
| Rotation period | 15.2 hours |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.86 – 2.62 au |
| Eccentricity | 0.169 |
| Inclination | 5.13° |
| Closest distance between its orbit and Earth's (MOID) | 0.846 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.